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PDF MAX6035 Data sheet ( Hoja de datos )
| Número de pieza | MAX6035 | |
| Descripción | Precision Voltage Reference | |
| Fabricantes | Maxim Integrated Products | |
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19-2606; Rev 3; 11/06
High-Supply-Voltage, Precision
Voltage Reference in SOT23
General Description
The MAX6035 is a high-voltage, precision micropower
voltage reference. This three-terminal device is available
with output voltage options of 2.5V, 3.0V, and 5.0V. It is an
excellent upgrade for industry-standard devices such as
the REF02 and REF43. The MAX6035 offers 14x lower
power than the REF02 and 5x lower power than the
REF43, as well as a reduced package size from an 8-pin
SO to a 3-pin SOT23. The MAX6035 features a proprietary
temperature coefficient curvature-correction circuit and
laser-trimmed, thin-film resistors that result in a very low
temperature coefficient of 25ppm/°C (max) and an initial
accuracy of ±0.2% (max).
The MAX6035 typically draws only 73µA of supply cur-
rent and can source 10mA or sink 2mA of load current.
Unlike conventional shunt-mode (two-terminal) refer-
ences that waste supply current and require an external
resistor, this device offers a supply current that is virtu-
ally independent of the supply voltage and does not
require an external resistor. Additionally, this internally
compensated device does not require an external com-
pensation capacitor, but is also stable with capacitive
loads up to 5µF. Eliminating the external compensation
capacitor saves valuable board area in space-critical
applications. The supply independent, ultra-low supply
current makes this device ideal for battery-operated,
high-performance systems.
The MAX6035 is available in a 3-pin SOT23 package
and is specified for operation from -40°C to +125°C.
Applications
4mA to 20mA Industrial
Control Loops
Li+ Battery Chargers
12-Bit A/D and D/A
Converters
Digital Multimeters
Portable Data-Acquisition
Systems
Low-Power Test
Equipment
Typical Operating Circuit
+SUPPLY INPUT (SEE SELECTOR GUIDE)
0.1µF*
IN
OUT
MAX6035
GND
*CAPACITOR IS OPTIONAL.
REFERENCE
OUT
Features
o Wide Supply Voltage Range: Up to 33V
o 25ppm/°C (max) Temperature Coefficient
(-40°C to +85°C)
o ±0.2% (max) Initial Accuracy
o 95µA (max) Quiescent Supply Current
o 10mA Source Current, 2mA Sink Current
o No Output Capacitor Required
o Stable with Capacitive Loads up to 5µF
Ordering Information
PART
TEMP RANGE
PIN-
TOP
PACKAGE MARK
MAX6035AAUR25-T -40°C to +125°C 3 SOT23-3 FZMW
MAX6035BAUR25-T -40°C to +125°C 3 SOT23-3 FZMX
MAX6035ESA25
-40°C to +85°C 8 SO
—
MAX6035AAUR30-T -40°C to +125°C 3 SOT23-3 FZMY
MAX6035BAUR30-T -40°C to +125°C 3 SOT23-3 FZMZ
MAX6035AAUR50-T -40°C to +125°C 3 SOT23-3 FZNA
MAX6035BAUR50-T -40°C to +125°C 3 SOT23-3 FZNB
Note: The 3-pin SOT23 package code is U3-1. The 8-pin SO
package code is S8-2.
Selector Guide
PART
MAXIMUM MAXIMUM
TEMPCO
INITIAL
(ppm/°C) ACCURACY
(-40°C to +85°C) (%)
OUTPUT
VOLTAGE
(V)
MAX6035AAUR25
25
0.20 2.5
MAX6035BAUR25
65
0.50 2.5
MAX6035ESA25
40
0.20 2.5
MAX6035AAUR30
25
0.20 3.0
MAX6035BAUR30
65
0.50 3.0
MAX6035AAUR50
25
0.20 5.0
MAX6035BAUR50
65
0.50 5.0
Pin Configurations
TOP VIEW
IN 1
OUT 2
MAX6035
SOT23
N.C. 1
IN 2
3 GND
N.C. 3
GND 4
MAX6035
8 N.C.
7 N.C.
6 OUT
5 N.C.
SO
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
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High-Supply-Voltage, Precision
Voltage Reference in SOT23
ELECTRICAL CHARACTERISTICS—MAX6035_AUR50 (5.0V) (continued)
(VIN = 5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Load Regulation (Note 4)
∆VOUT/
∆IOUT
TA = +25°C
TA = -40°C to +125°C
OUT Short-Circuit Current
Dropout Voltage (Note 7)
Thermal Hysteresis (Note 5)
Shorted to GND
ISC Shorted to IN
VIN - VOUT
∆VOUT/cycle
IOUT = 10µA
IOUT = 10mA
Sourcing:
0 ≤ IOUT ≤ 10mA
Sinking:
-2mA ≤ IOUT ≤ 0mA
Sourcing:
0 ≤ IOUT ≤ 10mA
Sinking:
-2mA ≤ IOUT ≤ 0mA
50
90
27
-4
135
Long-Term Stability
∆VOUT/time 1000hr at +25°C
160
DYNAMIC CHARACTERISTICS
Output Noise Voltage
f = 0.1Hz to 10Hz
en f = 10Hz to 1kHz
Ripple Rejection
Turn-On Settling Time
∆VOUT/∆VIN VIN = 15V ±100mV, f = 120Hz
tR
To VOUT = 0.1% of final
value
COUT = 50pF
COUT = 1µF
Capacitive-Load Stability
(Note 6)
COUT
INPUT CHARACTERISTICS
68
48
72
140
300
0
MAX UNITS
135
215
µV/mA
160
300
mA
1.9
V
2.25
ppm
ppm/
1000hr
µVP-P
µVRMS
dB
µs
5 µF
Supply Voltage Range
VIN Inferred by line regulation and dropout voltage 6.9
33 V
Quiescent Current Supply
Change in Supply Current
IIN
∆IIN/∆VIN 6.9V ≤ VIN ≤ 33V
80 100 µA
0.4 0.7 µA/V
Note 2: All devices are 100% production tested at TA = +25°C and are guaranteed by design for TA = TMIN to TMAX, as specified.
Note 3: Temperature Coefficient is measured by the “box” method, i.e., the maximum ∆VOUT is divided by the maximum ∆T.
Note 4: Line and load regulation are measured with pulses and do not include output voltage fluctuation due to die-temperature
changes.
Note 5: Thermal Hysteresis is defined as the change in the output voltage at TA = +25°C before and after cycling the device from
TMAX to TMIN.
Note 6: Guaranteed by design.
Note 7: Although the source current is guaranteed to be 10mA, exercise caution to ensure that the package’s absolute power dissi-
pation rating is not exceeded.
_______________________________________________________________________________________ 5
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
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High-Supply-Voltage, Precision
Voltage Reference in SOT23
Typical Operating Characteristics (continued)
(VIN = 5V for MAX6035AAUR25/MAX6035AAUR30, VIN = 15V for MAX6035AAUR50, IOUT = 0, TA = +25°C, unless otherwise noted.)
MAX6035
LOAD TRANSIENT (VOUT = 2.5V)
MAX6035 toc43
MAX6035
LOAD TRANSIENT (VOUT = 3V)
MAX6035 toc44
MAX6035
LOAD TRANSIENT (VOUT = 5V)
MAX6035 toc45
VOUT
AC-COUPLED
100mV/div
VOUT
AC-COUPLED
100mV/div
VOUT
AC-COUPLED
100mV/div
VL
5V/div
VL
5V/div
VL
5V/div
100µs/div
(IOUT = 0 to 10mA, CL = 1µF, RL = 250Ω) (Figure 2)
MAX6035
LINE TRANSIENT (VOUT = 2.5V)
MAX6035 toc46
CL = 0
VIN
500mV/div
100µs/div
(IOUT = 0 to 10mA, CL = 1µF, RL = 300Ω) (Figure 2)
100µs/div
(IOUT = 0 to 10mA, CL = 1µF, RL = 500Ω) (Figure 2)
MAX6035
LINE TRANSIENT (VOUT = 3V)
MAX6035 toc47
CL = 0
MAX6035
LINE TRANSIENT (VOUT = 5V)
MAX6035 toc48
CL = 0
VIN
500mV/div
VIN
500mV/div
VOUT
AC-COUPLED
100mV/div
VOUT
AC-COUPLED
100mV/div
VOUT
AC-COUPLED
100mV/div
4µs/div
10µs/div
4µs/div
+VIN +VIN
MAX6035
VOUT
CL
VL
VOUT
RL
2VOUT
0V
MAX6035
VOUT
CL
VL
VOUT
RL
VOUT
0V
Figure 1. Load-Transient Test Circuit
Figure 2. Load-Transient Test Circuit
______________________________________________________________________________________ 11
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11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet MAX6035.PDF ] | |
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